22106450424 has 128 divisors (see below), whose sum is σ = 58272122880. Its totient is φ = 6979737600.

The previous prime is 22106450383. The next prime is 22106450461. The reversal of 22106450424 is 42405460122.

It is a junction number, because it is equal to n+sod(n) for n = 22106450391 and 22106450400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7439259 + ... + 7442229.

It is an arithmetic number, because the mean of its divisors is an integer number (455250960).

Almost surely, 2^22106450424 is an apocalyptic number.

22106450424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22106450424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29136061440).

22106450424 is an abundant number, since it is smaller than the sum of its proper divisors (36165672456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22106450424 is a wasteful number, since it uses less digits than its factorization.

22106450424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3221 (or 3217 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

The spelling of 22106450424 in words is "twenty-two billion, one hundred six million, four hundred fifty thousand, four hundred twenty-four".